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Related Concept Videos

Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

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Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
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Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
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Parenteral Anesthetics: Overview01:24

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Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
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Analgesia and Pain Management01:25

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
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Related Experiment Video

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An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP
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An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP

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Perioperative opioid usage: avoiding adverse effects.

Robert D Funk1, Paul Hilliard, Satya Krishna Ramachandran

  • 1Ann Arbor, Mich. From the Department of Anesthesiology, University of Michigan.

Plastic and Reconstructive Surgery
|September 26, 2014
PubMed
Summary
This summary is machine-generated.

Opioid analgesics are common but carry risks, especially for obese, elderly, or sleep apnea patients. Strategies like nonopioid analgesics and regional anesthesia can reduce opioid use and side effects.

Related Experiment Videos

Last Updated: Apr 23, 2026

An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP
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Area of Science:

  • Anesthesiology
  • Surgical Pain Management
  • Pharmacology

Background:

  • Opioids are widely used for surgical analgesia due to cost-effectiveness.
  • Despite benefits, opioids pose significant risks, including morbidity and mortality.
  • Certain patient groups (obese, sleep apnea, elderly) face heightened risks from opioid-induced sedation and respiratory depression.

Purpose of the Study:

  • To review systematic methods for reducing opioid side effects in surgical patients.
  • To identify specific risk-reduction strategies for vulnerable patient populations.
  • To address challenges in managing postoperative pain for patients on chronic opioids.

Main Methods:

  • Review of current literature on opioid-sparing analgesic strategies.
  • Analysis of adjuvant nonopioid analgesics (e.g., alpha-2 agonists, gabapentinoids, NMDA receptor agonists).
  • Evaluation of regional anesthesia techniques and surgical modifications for pain control.

Main Results:

  • Opioid reduction strategies effectively decrease total opioid dosage and adverse effects.
  • Nonopioid adjuncts and regional anesthesia are key components of multimodal analgesia.
  • Careful management is crucial for patients on chronic or high-dose opioids.

Conclusions:

  • Opioid-sparing techniques are essential for mitigating risks associated with surgical analgesia.
  • Limiting concomitant sedative medications is critical to prevent additive sedation.
  • Tailored strategies are needed to optimize pain management and patient safety across diverse risk groups.